National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Fair

39°F

4°C

Humidity 65%
Wind Speed SW 13 mph
Barometer 29.94 in (1014.0 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 13 Jan 2:56 pm EST
Extended Forecast for

South Dennis MA

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. Southwest wind 6 to 10 mph, with gusts as high as 24 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 46. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 46 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly after 8pm. Cloudy, with a low around 34. South wind 3 to 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 8am, then a chance of rain between 8am and 11am. Mostly cloudy, with a high near 42. West wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Chance
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17. West wind around 9 mph, with gusts as high as 22 mph.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 36. West wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 36 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 27. Southwest wind 6 to 8 mph, with gusts as high as 21 mph.

    Low: 27 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 40. Southwest wind 6 to 9 mph.

    High: 40 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 29. West wind around 5 mph.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 36. Southwest wind 6 to 10 mph, with gusts as high as 24 mph.
Wednesday
Mostly cloudy, with a high near 46. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Wednesday Night
A chance of showers, mainly after 8pm. Cloudy, with a low around 34. South wind 3 to 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of showers before 8am, then a chance of rain between 8am and 11am. Mostly cloudy, with a high near 42. West wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Partly cloudy, with a low around 17. West wind around 9 mph, with gusts as high as 22 mph.
Friday
Sunny, with a high near 36. West wind 8 to 10 mph, with gusts as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 27. Southwest wind 6 to 8 mph, with gusts as high as 21 mph.
Saturday
Partly sunny, with a high near 40. Southwest wind 6 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 29. West wind around 5 mph.
Sunday
A chance of snow after 3pm. Partly sunny, with a high near 38. West wind 6 to 10 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 22. West wind around 7 mph.
M.L.King Day
Mostly sunny, with a high near 32. Southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 20. West wind around 8 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 29. West wind 9 to 13 mph, with gusts as high as 23 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Dennis MA
 41.69°N 70.16°W (Elev. 7 ft)
Last Update:
2:38 pm EST Jan 13, 2026
Forecast Valid:
3pm EST Jan 13, 2026-6pm EST Jan 20, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation